The CRT-53S Series-Latching from Teledyne Relays is a RF Switch with Frequency DC to 26.5 GHz, Insertion Loss 0.2 to 0.7 dB, Isolation 50 to 70 dB, Actuator Voltage 12 to 28 V, Actuator Current 200 to 420 mA. Tags: Module with Connectors, Electro-Mechanical. More details for CRT-53S Series-Latching can be seen below.